Home / 2,973.32-4,103.12-1,647.08

Finding the Fourth Proportional to 2,973.32, 4,103.12 and 1,647.08

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Solution

The fourth proportional to 2,973.32, 4,103.12 and 1,647.08 is: 2,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.32 : 4,103.12 = 1,647.08 : x
  2. Step 2: Convert to fraction form
    2,973.32/4,103.12 = 1,647.08/x
  3. Step 3: Cross multiply
    2,973.32x = 4,103.12 × 1,647.08
  4. Step 4: Simplify right side
    2,973.32x = 6,758,166.89
  5. Step 5: Solve for x
    x = 6,758,166.89/2,973.32
  6. Step 6: Final answer
    x = 2,272.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.